Burger King back on Twitter after hacker attack

(RNN) - Burger King's official Twitter feed was hacked early Monday and taken down after sending out a series of questionable tweets. But now it is back up.

"Interesting day here at BURGER KING®, but we're back! Welcome to our new followers. Hope you all stick around!" the fast food chain tweeted after several hours of social media chaos.

At around 12:00 p.m. EST, everything from Burger King's logo and header image of its Twitter page was altered to reflect its fast food rival, McDonalds.

After nearly two hours of progressively more graphic and risque from the hackers, Burger King's account was finally suspended by Twitter at approximately 1:15 p.m. EST.

"It has come to our attention that the Twitter account of the Burger King brand has been hacked. We have worked directly with administrators to suspend the account until we are able to re-establish our legitimate site and authentic postings," said Bryson Thornton, director of global communications & culture. " We apologize to our fans and followers who have been receiving erroneous tweets about other members of our industry and additional inappropriate topics."

Many believe a sect of the hacker group Anonymous called LulzSec is responsible because of vague tweets during the attack that celebrate it. The group's motto is "We are all Anonymous," and their previous website attacks include Twitter, the Department of Justice, FBI, MPAA, Bank of America and the Vatican.

For example, the hacked Burger King account tweeted "Everybody follow us! @YourAnonNews #OpMadCow" which many interpreted as crediting Anonymous.

The corresponding twitter account, @YourAnonNews, then said, "Who DID hack BK? Well… that is still anonymous. ;) #WeAreAllAnonymous."

Many interpreted that to the group taking credit, however, before the hack, the same account tweeted that had received an email they were excited about moments before the Burger King account was taken over.

The group also criticized the media for assuming they were responsible by saying "Dear media, how many of you wrote that THIS account took responsibility for the BK hack? Read our timeline again…. you #fail again."

Some Tweets mention DFNCTSC (Defonic Team Screen Name Club), a group that hacked Paris Hilton's phone in 2005. However, that group denies responsibility as well, according to ArsTechnica.com.

McDonalds actual Twitter account offered support to their fast food rivals, tweeting: "We empathize with our @BurgerKing counterparts. Rest assured, we had nothing to do with the hacking."

Twitter has not officially commented on the matter.

The takeover began with the following tweet, "We just got sold to McDonalds! Look for McDonalds in a hood near you," claiming was just sold to McDonald's because the "whopper flopped."

Burger King is the second largest fast food chain in the world, McDonald's holds the top spot.

The Burger King Corporation was founded in 1954, but the mascot of "The King" wasn't introduced until 1955.

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Dear media, how many of you wrote that THIS account took responsibility for the BK hack? Read our timeline again…. you #fail again.